... feeding threading pitch: 0.7,0.75,0.8,0.9,1.0,1.25,1.5,1.75,1.8,2.0,2.5mm10) Main ... (17-19): 1 pcs3)Inner hexagon wrench (1.5,2,2.5,3,4,5,6,8,10): 1SET;4)Fast tapping chucks ... (J4016A/MS2; M5-M16): 1 SET; 5)Handle: 1pcsOptionals:The machine only provide one pair of thrust gear with diameter ... 25mm, users can buy other pitches of gears from us. automatic teeth distance tapping machine